Layers of the Earth. Add 2 boxes. GLUE ON PAGE 117. Crust - rigid, rocky outer surface of the Earth, composed mostly of basalt and granite. Thinner under oceans Continental Crust- thick parts of the Earths crust not located under ocean. Lithosphere- crust, plus rigid, upper mantle
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Crust- rigid, rocky outer surface of the Earth, composed mostly of basalt and granite. Thinner under oceans
Mantle- rocky layer located under crust- composed of silicon, oxygen, magnesium, iron, aluminum, and calcium. Convection (heat) currents carry heat from the inner mantle to the cooler outer mantle.